| Rennes to Orthez | 322.64 mi (519.24 km) |
| Rennes to Orvault | 58.31 mi (93.83 km) |
| Rennes to Osny | 183.02 mi (294.55 km) |
| Rennes to Ostwald | 432.23 mi (695.61 km) |
| Rennes to Ouistreham | 103.31 mi (166.26 km) |
| Rennes to Oullins | 348.04 mi (560.12 km) |
| Rennes to Outreau | 231.59 mi (372.71 km) |
| Rennes to Oyonnax | 367.41 mi (591.29 km) |
| Rennes to Ozoir-la-Ferriere | 204.95 mi (329.84 km) |
| Rennes to Pace | 4.92 mi (7.92 km) |
| Rennes to Palaiseau | 184.69 mi (297.23 km) |
| Rennes to Pamiers | 380.11 mi (611.72 km) |
| Rennes to Panazol | 211.12 mi (339.76 km) |
| Rennes to Pantin | 194.45 mi (312.94 km) |
| Rennes to Paray-le-Monial | 295.01 mi (474.77 km) |
